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                  <a href="#glib-Caches.description" class="shortcut">Description</a>
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<div class="refentry">
<a name="glib-Caches"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="glib-Caches.top_of_page"></a>Caches</span></h2>
<p>Caches — caches allow sharing of complex data structures
                    to save resources</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<a name="glib-Caches.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;glib.h&gt;

                    <a class="link" href="glib-Caches.html#GCache" title="GCache">GCache</a>;
<a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="returnvalue">GCache</span></a> *            <a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()">g_cache_new</a>                         (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheNewFunc" title="GCacheNewFunc ()"><span class="type">GCacheNewFunc</span></a> value_new_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()"><span class="type">GCacheDestroyFunc</span></a> value_destroy_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDupFunc" title="GCacheDupFunc ()"><span class="type">GCacheDupFunc</span></a> key_dup_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()"><span class="type">GCacheDestroyFunc</span></a> key_destroy_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHashFunc" title="GHashFunc ()"><span class="type">GHashFunc</span></a> hash_key_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHashFunc" title="GHashFunc ()"><span class="type">GHashFunc</span></a> hash_value_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GEqualFunc" title="GEqualFunc ()"><span class="type">GEqualFunc</span></a> key_equal_func</code></em>);
<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            <a class="link" href="glib-Caches.html#g-cache-insert" title="g_cache_insert ()">g_cache_insert</a>                      (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> key</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-Caches.html#g-cache-remove" title="g_cache_remove ()">g_cache_remove</a>                      (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gconstpointer" title="gconstpointer"><span class="type">gconstpointer</span></a> value</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-Caches.html#g-cache-destroy" title="g_cache_destroy ()">g_cache_destroy</a>                     (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>);

<span class="returnvalue">void</span>                <a class="link" href="glib-Caches.html#g-cache-key-foreach" title="g_cache_key_foreach ()">g_cache_key_foreach</a>                 (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHFunc" title="GHFunc ()"><span class="type">GHFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="glib-Caches.html#g-cache-value-foreach" title="g_cache_value_foreach ()">g_cache_value_foreach</a>               (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHFunc" title="GHFunc ()"><span class="type">GHFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);

<span class="returnvalue">void</span>                (<a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()">*GCacheDestroyFunc</a>)                (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> value</code></em>);
<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            (<a class="link" href="glib-Caches.html#GCacheDupFunc" title="GCacheDupFunc ()">*GCacheDupFunc</a>)                    (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> value</code></em>);
<a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            (<a class="link" href="glib-Caches.html#GCacheNewFunc" title="GCacheNewFunc ()">*GCacheNewFunc</a>)                    (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> key</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="glib-Caches.description"></a><h2>Description</h2>
<p>
A <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> allows sharing of complex data structures, in order to
save system resources.
</p>
<p>
GCache uses keys and values. A GCache key describes the properties
of a particular resource. A GCache value is the actual resource.
</p>
<p>
GCache has been marked as deprecated, since this API is rarely
used and not very actively maintained.
</p>
</div>
<div class="refsect1">
<a name="glib-Caches.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GCache"></a><h3>GCache</h3>
<pre class="programlisting">typedef struct _GCache GCache;</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">GCache</code> has been deprecated since version 2.32 and should not be used in newly-written code. Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>
The <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> struct is an opaque data structure containing
information about a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>. It should only be accessed via the
following functions.
</p>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-new"></a><h3>g_cache_new ()</h3>
<pre class="programlisting"><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="returnvalue">GCache</span></a> *            g_cache_new                         (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheNewFunc" title="GCacheNewFunc ()"><span class="type">GCacheNewFunc</span></a> value_new_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()"><span class="type">GCacheDestroyFunc</span></a> value_destroy_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDupFunc" title="GCacheDupFunc ()"><span class="type">GCacheDupFunc</span></a> key_dup_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Caches.html#GCacheDestroyFunc" title="GCacheDestroyFunc ()"><span class="type">GCacheDestroyFunc</span></a> key_destroy_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHashFunc" title="GHashFunc ()"><span class="type">GHashFunc</span></a> hash_key_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHashFunc" title="GHashFunc ()"><span class="type">GHashFunc</span></a> hash_value_func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GEqualFunc" title="GEqualFunc ()"><span class="type">GEqualFunc</span></a> key_equal_func</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_cache_new</code> has been deprecated since version 2.32 and should not be used in newly-written code. Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>
Creates a new <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>value_new_func</code></em> :</span></p></td>
<td>a function to create a new object given a key.
This is called by <a class="link" href="glib-Caches.html#g-cache-insert" title="g_cache_insert ()"><code class="function">g_cache_insert()</code></a> if an object
with the given key does not already exist</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value_destroy_func</code></em> :</span></p></td>
<td>a function to destroy an object. It is called
by <a class="link" href="glib-Caches.html#g-cache-remove" title="g_cache_remove ()"><code class="function">g_cache_remove()</code></a> when the object is no
longer needed (i.e. its reference count drops
to 0)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_dup_func</code></em> :</span></p></td>
<td>a function to copy a key. It is called by
<a class="link" href="glib-Caches.html#g-cache-insert" title="g_cache_insert ()"><code class="function">g_cache_insert()</code></a> if the key does not already exist in
the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_destroy_func</code></em> :</span></p></td>
<td>a function to destroy a key. It is called by
<a class="link" href="glib-Caches.html#g-cache-remove" title="g_cache_remove ()"><code class="function">g_cache_remove()</code></a> when the object is no longer
needed (i.e. its reference count drops to 0)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>hash_key_func</code></em> :</span></p></td>
<td>a function to create a hash value from a key</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>hash_value_func</code></em> :</span></p></td>
<td>a function to create a hash value from a value</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key_equal_func</code></em> :</span></p></td>
<td>a function to compare two keys. It should return
<a class="link" href="glib-Standard-Macros.html#TRUE:CAPS" title="TRUE"><code class="literal">TRUE</code></a> if the two keys are equivalent</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-insert"></a><h3>g_cache_insert ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            g_cache_insert                      (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> key</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_cache_insert</code> has been deprecated since version 2.32 and should not be used in newly-written code. Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>
Gets the value corresponding to the given key, creating it if
necessary. It first checks if the value already exists in the
<a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>, by using the <em class="parameter"><code>key_equal_func</code></em> function passed to
<a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. If it does already exist it is returned, and its
reference count is increased by one. If the value does not currently
exist, if is created by calling the <em class="parameter"><code>value_new_func</code></em>. The key is
duplicated by calling <em class="parameter"><code>key_dup_func</code></em> and the duplicated key and value
are inserted into the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>a key describing a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> object</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a pointer to a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-remove"></a><h3>g_cache_remove ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_cache_remove                      (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gconstpointer" title="gconstpointer"><span class="type">gconstpointer</span></a> value</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_cache_remove</code> has been deprecated since version 2.32 and should not be used in newly-written code. Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>
Decreases the reference count of the given value. If it drops to 0
then the value and its corresponding key are destroyed, using the
<em class="parameter"><code>value_destroy_func</code></em> and <em class="parameter"><code>key_destroy_func</code></em> passed to <a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td>the value to remove</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-destroy"></a><h3>g_cache_destroy ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_cache_destroy                     (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_cache_destroy</code> has been deprecated since version 2.32 and should not be used in newly-written code. Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>
Frees the memory allocated for the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.
</p>
<p>
Note that it does not destroy the keys and values which were
contained in the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>
</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-key-foreach"></a><h3>g_cache_key_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_cache_key_foreach                 (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHFunc" title="GHFunc ()"><span class="type">GHFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_cache_key_foreach</code> has been deprecated since version 2.32 and should not be used in newly-written code. Use a <a class="link" href="glib-Hash-Tables.html#GHashTable" title="GHashTable"><span class="type">GHashTable</span></a> instead</p>
</div>
<p>
Calls the given function for each of the keys in the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.
</p>
<p>
NOTE <em class="parameter"><code>func</code></em> is passed three parameters, the value and key of a cache
entry and the <em class="parameter"><code>user_data</code></em>. The order of value and key is different
from the order in which <a class="link" href="glib-Hash-Tables.html#g-hash-table-foreach" title="g_hash_table_foreach ()"><code class="function">g_hash_table_foreach()</code></a> passes key-value
pairs to its callback function !
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td>the function to call with each <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data to pass to the function</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="g-cache-value-foreach"></a><h3>g_cache_value_foreach ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                g_cache_value_foreach               (<em class="parameter"><code><a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> *cache</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Hash-Tables.html#GHFunc" title="GHFunc ()"><span class="type">GHFunc</span></a> func</code></em>,
                                                         <em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> user_data</code></em>);</pre>
<div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
<h3 class="title">Warning</h3>
<p><code class="literal">g_cache_value_foreach</code> has been deprecated since version 2.10 and should not be used in newly-written code. The reason is that it passes pointers to internal
   data structures to <em class="parameter"><code>func</code></em>; use <a class="link" href="glib-Caches.html#g-cache-key-foreach" title="g_cache_key_foreach ()"><code class="function">g_cache_key_foreach()</code></a> instead</p>
</div>
<p>
Calls the given function for each of the values in the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>cache</code></em> :</span></p></td>
<td>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>func</code></em> :</span></p></td>
<td>the function to call with each <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>user_data</code></em> :</span></p></td>
<td>user data to pass to the function</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GCacheDestroyFunc"></a><h3>GCacheDestroyFunc ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                (*GCacheDestroyFunc)                (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> value</code></em>);</pre>
<p>
Specifies the type of the <em class="parameter"><code>value_destroy_func</code></em> and <em class="parameter"><code>key_destroy_func</code></em>
functions passed to <a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. The functions are passed a
pointer to the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key or <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value and should free any
memory and other resources associated with it.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td>the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value to destroy</td>
</tr></tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GCacheDupFunc"></a><h3>GCacheDupFunc ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            (*GCacheDupFunc)                    (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> value</code></em>);</pre>
<p>
Specifies the type of the <em class="parameter"><code>key_dup_func</code></em> function passed to
<a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. The function is passed a key
(<span class="emphasis"><em>not</em></span> a value as the prototype implies) and
should return a duplicate of the key.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td>the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key to destroy (<span class="emphasis"><em>not</em></span> a
<a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value as it seems)</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a copy of the <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="GCacheNewFunc"></a><h3>GCacheNewFunc ()</h3>
<pre class="programlisting"><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="returnvalue">gpointer</span></a>            (*GCacheNewFunc)                    (<em class="parameter"><code><a class="link" href="glib-Basic-Types.html#gpointer" title="gpointer"><span class="type">gpointer</span></a> key</code></em>);</pre>
<p>
Specifies the type of the <em class="parameter"><code>value_new_func</code></em> function passed to
<a class="link" href="glib-Caches.html#g-cache-new" title="g_cache_new ()"><code class="function">g_cache_new()</code></a>. It is passed a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key and should create the
value corresponding to the key.
</p>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>key</code></em> :</span></p></td>
<td>a <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> key</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="glib-Caches.html#GCache" title="GCache"><span class="type">GCache</span></a> value corresponding to the key.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
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